Index: tt-loader/2nd/Makefile
===================================================================
--- tt-loader/2nd/Makefile	(revision 11)
+++ tt-loader/2nd/Makefile	(revision 12)
@@ -11,5 +11,5 @@
 
 S_SRCS = start.S
-C_SRCS = main.c usb.c
+C_SRCS = main.c usb.c crc32.c
 SRCS = $(S_SRCS) $(C_SRCS)